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BSC2085 - Quiz 7
Anatomy - Maser
| Name | Description |
|---|---|
| Skull | cranial, facial and skull bones |
| Cranial bones | cranium; attachment of head muscles; protect brain |
| Facial bones | sense organ cavities; openings for air/food; insert teeth; anchor facial muscles |
| Number of Teeth | 32 full set |
| Skull bones | mostly flat, thin with curvature; sutured with interlocking joints |
| Cranial cavity | brain |
| Paranasal sinuses | bones with air filled areas |
| Foramina/Canals/Fissures | openings for spinal cord, blood vessels, nerves |
| Frontal bone | superior walls of orbits |
| Frontal squama | forehead |
| Glabella | smooth frontal bone between orbits |
| Frontal sinuses | lateral to glabella |
| Parietal bones | stop at ear; superior and lateral skull |
| Cranial Articulation Sutures | coronal, sagittal, lambdoidal, squamosal |
| Coronal articulation suture | parietals - frontal (anterior) |
| Sagittal articulation suture | parietal - parietal (midline) |
| Lambdoidal articulation suture | parietals - occipital (posterior) |
| Squamosal articulation suture | parietal - temporal (lateral) |
| Occipital bone | posterior wall & base of skull; supports cerebellum; foramen magnum in base; connects medulla oblongata to spinal cord; two occipital condyles are articulation point with atlas (c1) |
| Occipital condyles | articulation point with atlas |
| Temporal Bones | inferior to parietals |
| Zygomatic process | bar-like extension meets with zygomatic & mandible; within the temporal bones |
| Tympanic region | external ear canal = auditory meatus; within temporal bone |
| Auditory meatus | ear canal; within temporal bone |
| Jugular foramen | for jugular vein; within temporal bone |
| Carotid canal | for carotid artery; within temporal bone |
| Sphenoid bone | cranial keystone - articulates with all cranials |
| Sella turcica | encloses pituitary gland; within the sphenoid bone |
| Optic foramina | passage for optic nerves & arteries; within the sphenoid bone |
| Ethmoid bone | between nasal cavity and orbit |
| Olfactory foramina | for olfactory nerves |
| Mandible | lower jaw - anchors teeth; the body - chin |
| Mandibular symphysis | midline depression; fuse 2 mandibular bones in infancy |
| Maxillary bones = Maxillae | upper jaw; articulates with all face bones except mandible; part of hard palate |
| Hard palate | bony foof of mouth |
| Zygomatic Bone | cheek bones; inferior part of orbits |
| Nasal bones | fused from bridge of nose, attach to cartilage of external nose |
| Lacrimal bones | medial wall of orbits |
| Lacrimal fossa | passage for tears to drain into nasal cavity |
| Palatine bone | complete posterior of hard palate |
| Vomer | part of nasal septum |
| Anterior Longitudinal Ligament | attaches to bony vertebrae & discs |
| Posterior Longitudinal Ligament | attaches only to discs (weaker) |
| Vertebral Ligaments | support vertebral column |
| Intervertebral Discs | cushion pads with semi-fluid pulposus; strong outer ring of fibrocartilage |
| Herniated discs | slipped disc |
| Cervical curvature | concave |
| Thoracic curvature | convex |
| Lumbar curvature | concave |
| Sacral curvature | convex |
| Scoliosis | lateral curvature of thoracic region |
| Kyphosis | hunchback; exaggerated convex thoracic |
| Lordosis | swayback; accentuated concave lumbar |
| Anterior centrum | weight-bearing body of vertebrae |
| Intervertabral foramina | openings between vertebrae; passage of spinal nerves leaving spinal cord |
| Cervical Vertebrae | C1 - C7 |
| Atlas | C1; no vertebral disc between atlas/axis; no body; articulates with chondyles of skull |
| Atlas movement | for pivoting head movement (nod "yes") |
| Axis | C2; does have a body |
| Odontoid process | to rotate atlas |
| Axis movement | for side to side movement (say "no") |
| Thoracic Vertebrae | T1 - T2; articulate with ribs; increase in size |
| Lumbar Vertebrae | L1 - L5; small of back; receive the most stress; sturdier and more massive structures |
| Sacrum | S1-S5; posterior wall of pelvis;lateral articulation with 2 hip bones; 5 fused bones in adulthood |
| Sacroiliac joints | articulation of sacrum and hip bones |
| Sacral Foramina | opening for blood vessels & nerves |
| Coccyx | vestigial, nearly useless tail bones; 4 fused bones (sometimes 3 or 5) |
| Bony Thorax | protective cage of vertebrae/ribs/sternum/costal cartilage |
| Sternum | breast bone; fusion of 3 bones |
| Manubrium | superior part of sternum; articulates with clavicles and first pair of ribs |
| Sternum body | large middle part; articulates with cartilage of rib 2-7 |
| Xiphoid process | inferior part of sternum; attachment site for diaphragm & abdominal muscles |
| True ribs | vertebrosternal ribs (1-7); attach direct to sternum by costal cartilage |
| False ribs | ribs 8-12 |
| Vertechondral ribs | pairs 8-10; attach to ribs above (not to sternum); attach cartilage to cartilage |
| Vertebral ribs | floating ribs (11-12); no anterior attachment; costal cartilage embedded into muscle |
Created by:
NknmJewel
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